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Launch CodeCogs Equation Editor
Math
数学模式重音符号
| $\hat{a}$ |
\hat{a} |
$\check{a}$ |
\check{a} |
$\tilde{a}$ |
\tilde{a} |
| $\grave{a}$ |
\grave{a} |
$\dot{a}$ |
\dot{a} |
$\ddot{a}$ |
\ddot{a} |
| $\bar{a}$ |
\bar{a} |
$\vec{a}$ |
\vec{a} |
$\widehat{a}$ |
\widehat{a} |
| $\acute{a}$ |
\acute{a} |
$\breve{a}$ |
\breve{a} |
$\widetilde{a}$ |
\widetilde{a} |
希腊字母
| $\alpha$ |
\alpha |
$\theta$ |
\theta |
$o$ |
o |
$\upsilon$ |
\upsilon |
| $\beta$ |
\beta |
$\vartheta$ |
\vartheta |
$\pi$ |
\pi |
$\phi$ |
\phi |
| $\gamma$ |
\gamma |
$\iota$ |
\iota |
$\varpi$ |
\varpi |
$\varphi$ |
\varphi |
| $\delta$ |
\delta |
$\kappa$ |
\kappa |
$\rho$ |
\rho |
$\chi$ |
\chi |
| $\epsilon$ |
\epsilon |
$\lambda$ |
\lambda |
$\varrho$ |
\varrho |
$\psi$ |
\psi |
| $\varepsilon$ |
\varepsilon |
$\mu$ |
\mu |
$\sigma$ |
\sigma |
$\omega$ |
\omega |
| $\zeta$ |
\zeta |
$\nu$ |
\nu |
$\varsigma$ |
\varsigma |
|
|
| $\eta$ |
\eta |
$\xi$ |
\xi |
$\tau$ |
\tau |
|
|
| $\Gamma$ |
\Gamma |
$\Lambda$ |
\Lambda |
$\Sigma$ |
\Sigma |
$\Psi$ |
\Psi |
| $\Delta$ |
\Delta |
$\Xi$ |
\Xi |
$\Upsilon$ |
\Upsilon |
$\Omega$ |
\Omega |
| $\Theta$ |
\Theta |
$\Pi$ |
\Pi |
$\Phi$ |
\Phi |
|
|
二元关系
- 你可以在下列符号的相应命令前加上
\not 命令，而得到其否定形式。
| $<$ |
< |
$>$ |
> |
$=$ |
= |
| $\leq$ |
\leq or \le |
$\geq$ |
\geq or \ge |
$\equiv$ |
\equiv |
| $\ll$ |
\ll |
$\gg$ |
\gg |
$\doteq$ |
\doteq |
| $\prec$ |
\prec |
$\succ$ |
\succ |
$\sim$ |
\sim |
| $\preceq$ |
\preceq |
$\succeq$ |
\succeq |
$\simeq$ |
\simeq |
| $\subset$ |
\subset |
$\supset$ |
\supset |
$\approx$ |
\approx |
| $\subseteq$ |
\subseteq |
$\supseteq$ |
\supsetuq |
$\cong$ |
\cong |
| $\sqsubset$ |
\sqsubset |
$\sqsupset$ |
\sqsupset |
$\Join$ |
\Join |
| $\sqsubseteq$ |
\sqsubseteq |
$\sqsupseteq$ |
\sqsupseteq |
$\bowtie$ |
\bowtie |
| $\in$ |
\in |
$\ni$ |
\ni, \owns |
$\propto$ |
\propto |
| $\vdash$ |
\vdash |
$\dashv$ |
\dashv |
$\models$ |
\models |
| $\mid$ |
\mid |
$\parallel$ |
\parallel |
$\perp$ |
\perp |
| $\smile$ |
\smile |
$\frown$ |
\frown |
$\asymp$ |
\asymp |
| $:$ |
: |
$\notin$ |
\notin |
$\neq$ |
\neq or \ne |
二元运算符
| $+$ |
+ |
$-$ |
- |
|
|
| $\pm$ |
\pm |
$\mp$ |
\mp |
$\triangleleft$ |
\triangleleft |
| $\cdot$ |
\cdot |
$\div$ |
\div |
$\triangleright$ |
\triangleright |
| $\times$ |
\times |
$\setminus$ |
\setminus |
$\star$ |
\star |
| $\cup$ |
\cup |
$\cap$ |
\cap |
$\ast$ |
\ast |
| $\sqcup$ |
\sqcup |
$\sqcap$ |
\sqcap |
$\circ$ |
\circ |
| $\vee$ |
\vee, \lor |
$\wedge$ |
\wedge, \land |
$\bullet$ |
\bullet |
| $\oplus$ |
\oplus |
$\ominus$ |
\ominus |
$\diamond$ |
\diamond |
| $\odot$ |
\odot |
$\oslash$ |
\oslash |
$\uplus$ |
\uplus |
| $\otimes$ |
\otimes |
$\bigcirc$ |
\bigcirc |
$\amalg$ |
\amalg |
| $\bigtriangleup$ |
\bigtriangleup |
$\bigtriangledown$ |
\bigtriangledown |
$\dagger$ |
\dagger |
| $\lhd$ |
\lhd |
$\rhd$ |
\rhd |
$\ddagger$ |
\ddagger |
| $\unlhd$ |
\unlhd |
$\unrhd$ |
\unrhd |
$\wr$ |
\wr |
“大"运算符
| $\sum$ |
\sum |
$\bigcup$ |
\bigcup |
$\bigvee$ |
\bigvee |
| $\prod$ |
\prod |
$\bigcap$ |
\bigcap |
$\bigwedge$ |
\bigwedge |
| $\coprod$ |
\coprod |
$\bigsqcup$ |
\bigsqcup |
$\biguplus$ |
\biguplus |
| $\int$ |
\int |
$\oint$ |
\oint |
$\bigodot$ |
\bigodot |
| $\bigoplus$ |
\bigoplus |
$\bigotimes$ |
|
|
|
箭头
| $\leftarrow$ |
\leftarrow or \gets |
$\longleftarrow$ |
\longleftarrow |
| $\rightarrow$ |
\rightarrow or \to |
$\longrightarrow$ |
\longrightarrow |
| $\leftrightarrow$ |
\leftrightarrow |
$\longleftrightarrow$ |
\longleftrightarrow |
| $\Leftarrow$ |
\Leftarrow |
$\Longleftarrow$ |
\Longleftarrow |
| $\Rightarrow$ |
\Rightarrow |
$\Longrightarrow$ |
\Longrightarrow |
| $\Leftrightarrow$ |
\Leftrightarrow |
$\Longleftrightarrow$ |
\Longleftrightarrow |
| $\mapsto$ |
\mapsto |
$\longmapsto$ |
\longmapsto |
| $\hookleftarrow$ |
\hookleftarrow |
$\hookrightarrow$ |
\hookrightarrow |
| $\leftharpoonup$ |
\leftharpoonup |
$\rightharpoonup$ |
\rightharpoonup |
| $\leftharpoondown$ |
\leftharpoondown |
$\rightharpoondown$ |
\rightharpoondown |
| $\rightleftharpoons$ |
\rightleftharpoons |
$\iff$ |
\iff(bigger spaces) |
| $\uparrow$ |
\uparrow |
$\downarrow$ |
\downarrow |
| $\updownarrow$ |
\updownarrow |
$\Uparrow$ |
\Uparrow |
| $\Downarrow$ |
\Downarrow |
$\Updownarrow$ |
\Updownarrow |
| $\nearrow$ |
\nearrow |
$\searrow$ |
\searrow |
| $\swarrow$ |
\swarrow |
$\nwarrow$ |
\nwarrow |
| $\leadsto$ |
\leadsto |
|
|
定界符
| $（$ |
（ |
$）$ |
） |
$\uparrow$ |
\uparrow |
| $\lbrack$ |
[ or \lbrack |
$\rbrack$ |
] or \rbrack |
$\downarrow$ |
\downarrow |
| $\lbrace$ |
\{ or \lbrace |
$\rbrace$ |
\} or \rbrace |
$\updownarrow$ |
\updownarrow |
| $\langle$ |
\langle |
$\rangle$ |
\rangle |
$\vert$ |
` |
| $\lfloor$ |
\lfloor |
$\rfloor$ |
\rfloor |
$\lceil$ |
\lceil |
| $/$ |
/ |
$\backslash$ |
\backslash |
$\Updownarrow$ |
\Updownarrow |
| $\Uparrow$ |
\Uparrow |
$\Downarrow$ |
\Downarrow |
$\Vert$ |
| or \Vert |
| $\rceil$ |
\rceil |
|
|
|
|
大定界符
| $\lgroup$ |
\lgroup |
$\rgroup$ |
\rgroup |
$\lmoustache$ |
\lmoustache |
| $\arrowvert$ |
\arrowvert |
$\Arrowvert$ |
\Arrowvert |
$\bracevert$ |
\bracevert |
| $\rmoustache$ |
\rmoustache |
|
|
|
|
其他符号
| $\dots$ |
\dots |
$\cdots$ |
\cdots |
$\vdots$ |
\vdots |
$\ddots$ |
\ddots |
| $\hbar$ |
\hbar |
$\imath$ |
\imath |
$\jmath$ |
\jmath |
$\ell$ |
\ell |
| $\Re$ |
\Re |
$\Im$ |
\Im |
$\aleph$ |
\aleph |
$\wp$ |
\wp |
| $\forall$ |
\forall |
$\exists$ |
\exists |
$\mho$ |
\mho |
$\partial$ |
\partial |
| $'$ |
' |
$\prime$ |
\prime |
$\emptyset$ |
\emptyset |
$\infty$ |
\infty |
| $\nabla$ |
\nabla |
$\triangle$ |
\triangle |
$\Box$ |
\Box |
$\Diamond$ |
\Diamond |
| $\bot$ |
\bot |
$\top$ |
\top |
$\angle$ |
\angle |
$\surd$ |
\surd |
| $\diamondsuit$ |
\diamondsuit |
$\heartsuit$ |
\heartsuit |
$\clubsuit$ |
\clubsuit |
$\spadesuit$ |
\spadesuit |
| $\neg$ |
\neg or \lnot |
$\flat$ |
\flat |
$\natural$ |
\natural |
$\sharp$ |
\sharp |
非数学符号
|
|
\dag |
$\S$ |
\S |
|
\copyright |
|
\textregistered |
|
|
\ddag |
$\P$ |
\P |
|
\pounds |
$%$ |
\% |
AMS 定界符
| $\ulcorner$ |
\ulcorner |
$\urcorner$ |
\urcorner |
$\llcorner$ |
\llcorner |
$\lrcorner$ |
\lrcorner |
| $\lvert$ |
\lvert |
$\rvert$ |
\rvert |
$\lVert$ |
\lVert |
$\rVert$ |
\rVert |
AMS 希腊和希伯来字母
| $\digamma$ |
\digamma |
$\varkappa$ |
\varkappa |
|
|
| $\beth$ |
\beth |
$\gimel$ |
\gimel |
$\daleth$ |
\daleth |
AMS 二元关系
| $\lessdot$ |
\lessdot |
$\gtrdot$ |
\gtrdot |
$\doteqdot$ |
\doteqdot |
| $\leqslant$ |
\leqslant |
$\geqslant$ |
\geqslant |
$\risingdotseq$ |
\risingdotseq |
| $\eqslantless$ |
\eqslantless |
$\eqslantgtr$ |
\eqslantgtr |
$\fallingdotseq$ |
\fallingdotseq |
| $\leqq$ |
\leqq |
$\geqq$ |
\geqq |
$\eqcirc$ |
\eqcirc |
| $\lll$ |
\lll or \llless |
$\ggg$ |
\ggg |
$\circeq$ |
\circeq |
| $\lesssim$ |
\lesssim |
$\gtrsim$ |
\gtrsim |
$\triangleq$ |
\triangleq |
| $\lessapprox$ |
\lessapprox |
$\gtrapprox$ |
\gtrapprox |
$\bumpeq$ |
\bumpeq |
| $\lessgtr$ |
\lessgtr |
$\gtrless$ |
\gtrless |
$\Bumpeq$ |
\Bumpeq |
| $\lesseqgtr$ |
\lesseqgtr |
$\gtreqless$ |
\gtreqless |
$\thicksim$ |
\thicksim |
| $\lesseqqgtr$ |
\lesseqqgtr |
$\gtreqqless$ |
\gtreqqless |
$\thickapprox$ |
\thickapprox |
| $\preccurlyeq$ |
\preccurlyeq |
$\succcurlyeq$ |
\succcurlyeq |
$\approxeq$ |
\approxeq |
| $\curlyeqprec$ |
\curlyeqprec |
$\curlyeqsucc$ |
\curlyeqsucc |
$\backsim$ |
\backsim |
| $\precsim$ |
\precsim |
$\succsim$ |
\succsim |
$\backsimeq$ |
\backsimeq |
| $\precapprox$ |
\precapprox |
$\succapprox$ |
\succapprox |
$\vDash$ |
\vDash |
| $\subseteqq$ |
\subseteqq |
$\supseteqq$ |
\supseteqq |
$\Vdash$ |
\Vdash |
| $\shortparallel$ |
\shortparallel |
$\Supset$ |
\Supset |
$\Vvdash$ |
\Vvdash |
| $\blacktriangleleft$ |
\blacktriangleleft |
$\sqsupset$ |
\sqsupset |
$\backepsilon$ |
\backepsilon |
| $\vartriangleright$ |
\vartriangleright |
$\because$ |
\because |
$\varpropto$ |
\varpropto |
| $\blacktriangleright$ |
\blackriangleright |
$\Subset$ |
\Subset |
$\between$ |
\between |
| $\trianglerighteq$ |
\trianglerighteq |
$\smallfrown$ |
\smallfrown |
$\pitchfork$ |
\pitchfork |
| $\vartriangleleft$ |
\vartriangleleft |
$\shortmid$ |
\shortmid |
$\smallsmile$ |
\smallsmile |
| $\trianglelefteq$ |
\trianglelefteq |
$\therefore$ |
\therefore |
$\sqsubset$ |
\sqsubset |
AMS 箭头
| $\dashleftarrow$ |
\dashleftarrow |
$\dashrightarrow$ |
\dashrightarrow |
| $\leftleftarrows$ |
\leftleftarrows |
$\rightrightarrows$ |
\rightrightarrows |
| $\leftrightarrows$ |
\leftrightarrows |
$\rightleftarrows$ |
\rightleftarrows |
| $\Lleftarrow$ |
\Lleftarrow |
$\Rightarrow$ |
\Rightarrow |
| $\twoheadleftarrow$ |
\twoheadleftarrow |
$\twoheadrightarrow$ |
\twoheadrightarrow |
| $\leftarrowtail$ |
\leftarrowtail |
$\rightarrowtail$ |
\rightarrowtail |
| $\leftrightharpoons$ |
\leftrightharpoons |
$\rightleftharpoons$ |
\rightleftharpoons |
| $\Lsh$ |
\Lsh |
$\Rsh$ |
\Rsh |
| $\looparrowleft$ |
\looparrowleft |
$\looparrowright$ |
\looparrowright |
| $\curvearrowleft$ |
\curvearrowleft |
$\curvearrowright$ |
\curvearrowright |
| $\circlearrowleft$ |
\circlearrowleft |
$\circlearrowright$ |
\circlearrowright |
| $\multimap$ |
\multimap |
$\upuparrows$ |
\upuparrows |
| $\downdownarrows$ |
\downdownarrows |
$\upharpoonleft$ |
\upharpoonleft |
| $\upharpoonright$ |
\upharpoonright |
$\downharpoonright$ |
\downharpoonright |
| $\rightsquigarrow$ |
\rightsquigarrow |
$\leftrightsquigarrow$ |
\leftrightsquigarrow |
AMS 二元否定关系符和箭头
| $\nless$ |
\nless |
$\ngtr$ |
\ngtr |
$\varsubsetneqq$ |
\varsubsetneqq |
| $\lneq$ |
\lneq |
$\gneq$ |
\gneq |
$\varsupsetneqq$ |
\varsupsetneqq |
| $\nleq$ |
\nleq |
$\ngeq$ |
\ngeq |
$\nsubseteqq$ |
\nsubseteqq |
| $\nleqslant$ |
\nleqslant |
$\ngeqslant$ |
\ngeqslant |
$\nsupseteqq$ |
\nsupseteqq |
| $\lneqq$ |
\lneqq |
$\gneqq$ |
\gneqq |
$\nmid$ |
\nmid |
| $\lvertneqq$ |
\lvertneqq |
$\gvertneqq$ |
\gvertneqq |
$\nparallel$ |
\nparallel |
| $\nleqq$ |
\nleqq |
$\nleqq$ |
\nleqq |
$\nshortmid$ |
\nshortmid |
| $\lnsim$ |
\lnsim |
$\gnsim$ |
\gnsim |
$\nshortparallel$ |
\nshortparallel |
| $\lnapprox$ |
\lnapprox |
$\gnapprox$ |
\gnapprox |
$\nsim$ |
\nsim |
| $\nprec$ |
\nprec |
$\nsucc$ |
\nsucc |
$\ncong$ |
\ncong |
| $\npreceq$ |
\npreceq |
$\nsucceq$ |
\nsucceq |
$\nvdash$ |
\nvdash |
| $\precneqq$ |
\precneqq |
$\succneqq$ |
\succneqq |
$\nvDash$ |
\nvDash |
| $\precnsim$ |
\precnsim |
$\succnsim$ |
\succnsim |
$\nVdash$ |
\nVdash |
| $\precnapprox$ |
\precnapprox |
$\succnapprox$ |
\succnapprox |
$\nVDash$ |
\nVDash |
| $\subsetneq$ |
\subsetneq |
$\supsetneq$ |
\supsetneq |
$\ntriangleleft$ |
\ntriangleleft |
| $\varsubsetneq$ |
\varsubsetneq |
$\varsupsetneq$ |
\varsupsetneq |
$\ntriangleright$ |
\ntriangleright |
| $\nsubseteq$ |
\nsubseteq |
$\nsupseteq$ |
\nsupseteq |
$\ntrianglelefteq$ |
\ntrianglelefteq |
| $\subsetneqq$ |
\subsetneqq |
$\supsetneqq$ |
\supsetneqq |
$\ntrianglerighteq$ |
\ntrianglerighteq |
| $\nleftarrow$ |
\nleftarrow |
$\nrightarrow$ |
\nrightarrow |
$\nleftrightarrow$ |
\nleftrightarrow |
| $\nLeftarrow$ |
\nLeftarrow |
$\nRightarrow$ |
\nRightarrow |
$\nLeftrightarrow$ |
\nLeftrightarrow |
AMS 二元运算符
| $\dotplus$ |
\dotplus |
$\centerdot$ |
\centerdot |
|
|
| $\ltimes$ |
\ltimes |
$\rtimes$ |
\rtimes |
$\divideontimes$ |
\divideontimes |
| $\doublecup$ |
\doublecup |
$\doublecap$ |
\doublecap |
$\smallsetminus$ |
\smallsetminus |
| $\veebar$ |
\veebar |
$\barwedge$ |
\barwedge |
$\doublebarwedge$ |
\doublebarwedge |
| $\boxplus$ |
\boxplus |
$\boxminus$ |
\boxminus |
$\circleddash$ |
\circleddash |
| $\boxtimes$ |
\boxtimes |
$\boxdot$ |
\boxdot |
$\circledcirc$ |
\circledcirc |
| $\intercal$ |
\intercal |
$\circledast$ |
\circledast |
$\rightthreetimes$ |
\rightthreetimes |
| $\curlyvee$ |
\curlyvee |
$\curlywedge$ |
\curlywedge |
$\leftthreetimes$ |
\leftthreetimes |
AMS 其他符号
| $\hbar$ |
\hbar |
$\hslash$ |
\hslash |
$\Bbbk$ |
\Bbbk |
| $\square$ |
\square |
$\blacksquare$ |
\blacksquare |
$\circledS$ |
\circledS |
| $\vartriangle$ |
\vartriangle |
$\blacktriangle$ |
\blacktriangle |
$\complement$ |
\complement |
| $\triangledown$ |
\triangledown |
$\blacktriangledown$ |
\blacktriangledown |
$\Game$ |
\Game |
| $\lozenge$ |
\lozenge |
$\blacklozenge$ |
\blacklozenge |
$\bigstar$ |
\bigstar |
| $\angle$ |
\angle |
$\measuredangle$ |
\measuredangle |
|
|
| $\diagup$ |
\diagup |
$\diagdown$ |
\diagdown |
$\backprime$ |
\backprime |
| $\nexists$ |
\nexists |
$\Finv$ |
\Finv |
$\varnothing$ |
\varnothing |
| $\eth$ |
\eth |
$\sphericalangle$ |
\sphericalangle |
$\mho$ |
\mho |
数字字母
| 实例 |
命令 |
所需宏包 |
| $\mathrm{ABCDE abcde 1234}$ |
\mathrm{ABCDE abcde 1234} |
|
| $\mathit{ABCDE abcde 1234}$ |
\mathit{ABCDE abcde 1234} |
|
| $\mathnormal{ABCDE abcde 1234}$ |
\mathnormal{ABCDE abcde 1234} |
|
| $\mathcal{ABCDE abcde 1234}$ |
\mathcal{ABCDE abcde 1234} |
|
| $\mathscr{ABCDE abcde 1234}$ |
\mathscr{ABCDE abcde 1234} |
mathrsfs |
| $\mathfrak{ABCDE abcde 1234}$ |
\mathfrak{ABCDE abcde 1234} |
amsfonts or amssymb |
| $\mathbb{ABCDE}$ |
\mathbb{ABCDE} |
amsfonts or amssymb |
Reference
LATEX Mathematical Symbols (PDF) (4 pages)
